Abstract:
:Tetrahydrocannabinol and other mixed cannabinoid (CB) receptors CB(1)/CB(2) receptor agonists are well established to elicit antinociceptive effects and psychomimetic actions, however, their potential for abuse have dampened enthusiasm for their therapeutic development. In an effort to refine a semi-rigid structural framework for CB(2) receptors binding, we designed novel compounds based on aromatic moiety and flexible linker with various amides mimicking the outlook of the endogenous anandamide which could provide as CB(2) receptor ligand. In this direction, we developed and synthesized new aryl or arylidene hexanoic acid amides and aryl alkanoic acid diamide carrying different head groups. These new compounds were tested for their affinities for human recombinant CB receptors CB(1) and CB(2) and fatty acid amide hydrolase. Although, the preliminary screening of these compounds demonstrated weak binding activity towards CB receptor subtypes at 10 µmole, yet this template still could serve up as probes for further optimization and development of affinity ligand for CB receptors.
journal_name
J Enzyme Inhib Med Chemjournal_title
Journal of enzyme inhibition and medicinal chemistryauthors
Taher AT,Kadry HH,Allarà M,Di Marzo V,Abadi AH,Abouzid KAdoi
10.3109/14756366.2011.645241subject
Has Abstractpub_date
2013-06-01 00:00:00pages
436-9issue
3eissn
1475-6366issn
1475-6374journal_volume
28pub_type
杂志文章abstract::Carbonic anhydrases (CAs, EC 4.2.1.1) are ubiquitous enzymes that catalyze the hydration of CO(2) to bicarbonate and protons. Inhibition of CAs has been clinically exploited for the treatment of various classes of diseases for decades, but investigating new classes of inhibitors continues to be important. We have synt...
journal_title:Journal of enzyme inhibition and medicinal chemistry
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doi:10.3109/14756366.2011.639016
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abstract::Carbonic anhydrases (CAs, EC 4.2.1.1) are crucial metalloenzymes that are involved in diverse bioprocesses. We report the synthesis and biological evaluation of novel series of benzenesulfonamides incorporating un/substituted ethyl quinoline-3-carboxylate moieties. The newly synthesised compounds were in vitro evaluat...
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journal_title:Journal of enzyme inhibition and medicinal chemistry
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journal_title:Journal of enzyme inhibition and medicinal chemistry
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abstract::Two new series of heterocyclic derivatives with potential anticancer activity, in which a pyrrolo[1,2-b]pyridazine or a pyrrolo[2,1-a]phthalazine moiety was introduced in place of the 3'-hydroxy-4'-methoxyphenyl ring of phenstatin have been synthesised and their structure-activity relationship (SAR) was studied. Fourt...
journal_title:Journal of enzyme inhibition and medicinal chemistry
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abstract::New ureido benzenesulfonamides incorporating a GABA moiety as a linker between the ureido and the sulfonamide functionalities were synthesized and their inhibition potency determined against both the predominant cytosolic (hCA I and II) and the transmembrane tumor-associated (hCA IX and XII) isoforms of the metalloenz...
journal_title:Journal of enzyme inhibition and medicinal chemistry
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abstract::Alzheimer's disease is a progressive neurodegenerative illness accounting for approximately 50% of all types of dementia in elderly people. The only symptomatic treatment proven effective to date is the use of cholinesterase inhibitors to augment surviving cholinergic activity. The purpose of this study is to investig...
journal_title:Journal of enzyme inhibition and medicinal chemistry
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abstract::A novel series of substituted pyrimidine compounds bearing N-phenylpyrazole and terminating with aryl and cyclic sulfonamido moiety were designed, synthesized, and evaluated in vitro as antiproliferative agents against a panel of 53 cell lines of different tissues at the NCI. Among them, compound 1d with p-chlorobenze...
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abstract::Protein tyrosine phosphatase 1B (PTP1B) and α-glucosidase are important targets to treat obesity and diabetes, due to their deep correlation with insulin and leptin signalling, and glucose regulation. The methanol extract of Paulownia tomentosa fruits showed potent inhibition against both enzymes. Purification of this...
journal_title:Journal of enzyme inhibition and medicinal chemistry
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abstract::Dietary content of phytohormones may potentially influence metabolic processes in animal cells. This study therefore aimed to investigate the effect of two plant growth regulators homobrassinolide (HB) and gibberellic acid (GBA) on the antioxidant defense status and lipid peroxidation level in the tissues of normal an...
journal_title:Journal of enzyme inhibition and medicinal chemistry
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abstract::Protein disulphide isomerase (PDI) in the endoplasmic reticulum catalyzes the rearrangement of disulphide bridges during folding of secreted proteins. It binds various molecules that inhibit its activity. But here, we looked for molecules that would potentiate its activity. PDI reductase activity was measured in vitro...
journal_title:Journal of enzyme inhibition and medicinal chemistry
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abstract::The inhibition effect of metal ions on beta amylase activity was studied. The inhibitor-binding constant (Ki) was determined by spectrophotometric and isothermal titration calorimetric (ITC) methods. The binding of calcium, magnesium and zinc ion as inhibitors at the active site of barley beta amylase was studied at p...
journal_title:Journal of enzyme inhibition and medicinal chemistry
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abstract::Starting from a simple general reaction mechanism of activation of aspartic proteinases zymogens involving a uni- and a bimolecular simultaneous activation route and a reversible inhibition step, the time course equation of the zymogen, inhibitor and activated enzyme concentrations have been derived. Likewise, express...
journal_title:Journal of enzyme inhibition and medicinal chemistry
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abstract::Three series of sintenin derivatives (compounds 1-14) were designed and prepared and their antioxidative and neuroprotective effects were evaluated. The in vitro models of scavenging 1,1-diphenyl-2-picrylhydrazyl (DPPH) radicals, chelating ferrous ions, inhibiting the rat brain homogenates lipid peroxidation, and prot...
journal_title:Journal of enzyme inhibition and medicinal chemistry
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journal_title:Journal of enzyme inhibition and medicinal chemistry
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abstract::An extracellular thermostable alkaline serine protease enzyme from Aeribacillus pallidus C10 (GenBank No: KC333049), was purified 4.85 and 17. 32-fold with a yield of 26.9 and 19.56%, respectively, through DE52 anion exchange and Probond affinity chromatography. The molecular mass of the enzyme was determined through ...
journal_title:Journal of enzyme inhibition and medicinal chemistry
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abstract::The inhibition of neuraminidase from Clostridium chauvoei (jakari strain) with partially purified methanolic extracts of some plants used in Ethnopharmacological practice was evaluated. Extracts of two medicinal plants, Tamarindus indicus and Combretum fragrans at 100-1000 microg/ml, both significantly reduced the act...
journal_title:Journal of enzyme inhibition and medicinal chemistry
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abstract::In an in vitro screening for human carbonic anhydrase (hCA) inhibiting agents from higher plants, the petroleum ether and ethyl acetate extracts of Magydaris pastinacea seeds selectively inhibited hCA IX and hCA XII isoforms. The phytochemical investigation of the extracts led to the isolation of ten linear furocoumar...
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journal_title:Journal of enzyme inhibition and medicinal chemistry
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journal_title:Journal of enzyme inhibition and medicinal chemistry
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journal_title:Journal of enzyme inhibition and medicinal chemistry
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abstract::The needs for diverse inhibitors of α-glucosidase (α-Gls) encouraged us to synthesize five different poly-hydroxy functionalized pyrimidine-fused heterocyclic (PHPFH) molecules, having either aliphatic or aromatic side chains (C1-C5) and their inhibitory activities were examined spectroscopically against yeast and mou...
journal_title:Journal of enzyme inhibition and medicinal chemistry
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abstract::The purpose of this study was the evaluation of the xanthine oxidase (XO) inhibition produced by some synthetic 2-styrylchromones. Ten polyhydroxylated derivatives with several substitution patterns were synthesised, and these and a positive control, allopurinol, were tested for their effects on XO activity by measuri...
journal_title:Journal of enzyme inhibition and medicinal chemistry
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abstract::Direct interaction between 7-chloro-1-cyclopropyl-6-fluoro-8-nitro-4-oxo-1,4-dihydroquinoline-3-carboxylic acid and primary α-amino acids (exemplified by glycine, alanine, and l-valine) in aqueous ethanolic NaHCO(3) at 70-80°C for 24-72 h produced the respective N-(4-oxoquinolin-7-yl)-α-amino acids (6a-c). The latter ...
journal_title:Journal of enzyme inhibition and medicinal chemistry
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